Package org.datanucleus.state

Provides classes relating to the life cycle state of a persistable object.

See: Description

Interface Summary

Interface	Description
CallbackHandler	CallBack handlers receive notification of events on persistent objects.
LockManager	Interface defining a manager for locking of objects.
ObjectProvider<T>	Provider of field information for a managed object.
ObjectProviderFactory	Factory for ObjectProviders.
RelationshipManager

Class Summary

Class	Description
ActivityState	Definition of the activity states of a StateManager.
AppIdObjectIdFieldConsumer	Simple class to handle the copying of PK fields from an object id to an object.
LifeCycleState	Base Class representing the life cycle state.
LockManagerImpl	Implementation of a lock manager for objects.
NullCallbackHandler	Callback handler that does nothing.
ObjectProviderFactoryImpl	Factory for ObjectProviders.
ObjectProviderPool	Pool of ObjectProvider objects.
ReferentialStateManagerImpl	Implementation of a StateManager for use where insertion ordering is important (such as RDBMS).
RelationshipManagerImpl	Manager for (bidirectional) relationships of a class.
StateManagerImpl	Implementation of a StateManager, supporting the bytecode enhancement contract of DataNucleus.

Enum Summary

Enum	Description
LockMode	Locking modes for persistable objects.

Exception Summary

Exception	Description
IllegalStateTransitionException	A IllegalStateTransitionException is thrown if a life-cycle state attempts a transition that is illegal.

Package org.datanucleus.state Description

Provides classes relating to the life cycle state of a persistable object. Refer to section 5.5 of the JDO 1.0 specification for a description of this type of StateManager.